| 1A331 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| BS1806 | K7766 | BRITISH STANDARDS INSTITUTION |
| R6225 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| R6225DL3754 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| SSML7-17 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| SSML7-17-1A331 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |